Question

The power factor of an ac circuit is 0.5. Phase difference between voltage and current in this circuit is *

(a) 30°

(b) 45°

(c) 60°

(d) 90

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Answer 1

Explanation:

The power factor of an ac circuit is 0.5. Phase difference between voltage and current in this circuit is *

(a) 30°

(b) 45°

(c) 60°

(d) 90

1. c and d only for the

Answer 2

Answer:

cos`1 0.5=1\2×0.5=30